WO2001071405A2 - Coupling of light from a small light source for projection systems using parabolic reflectors - Google Patents

Coupling of light from a small light source for projection systems using parabolic reflectors Download PDF

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Publication number
WO2001071405A2
WO2001071405A2 PCT/US2001/007796 US0107796W WO0171405A2 WO 2001071405 A2 WO2001071405 A2 WO 2001071405A2 US 0107796 W US0107796 W US 0107796W WO 0171405 A2 WO0171405 A2 WO 0171405A2
Authority
WO
WIPO (PCT)
Prior art keywords
reflector
paraboloid
collimating
collecting
optical axis
Prior art date
Application number
PCT/US2001/007796
Other languages
English (en)
French (fr)
Other versions
WO2001071405A3 (en
Inventor
Kenneth K. Li
Original Assignee
Cogent Light Technologies, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cogent Light Technologies, Inc. filed Critical Cogent Light Technologies, Inc.
Priority to JP2001569538A priority Critical patent/JP4808893B2/ja
Priority to KR1020027012403A priority patent/KR100858571B1/ko
Priority to EP01922336A priority patent/EP1269242B1/de
Priority to AU2001249152A priority patent/AU2001249152A1/en
Priority to MXPA02009125A priority patent/MXPA02009125A/es
Priority to BR0109340-1A priority patent/BR0109340A/pt
Priority to DE60123768T priority patent/DE60123768T2/de
Priority to CA002403848A priority patent/CA2403848C/en
Publication of WO2001071405A2 publication Critical patent/WO2001071405A2/en
Publication of WO2001071405A3 publication Critical patent/WO2001071405A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G02B19/0023—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors) at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0994—Fibers, light pipes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/0006—Coupling light into the fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2066—Reflectors in illumination beam
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/032—Optical fibres with cladding with or without a coating with non solid core or cladding

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Liquid Crystal (AREA)
PCT/US2001/007796 2000-03-22 2001-03-12 Coupling of light from a small light source for projection systems using parabolic reflectors WO2001071405A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2001569538A JP4808893B2 (ja) 2000-03-22 2001-03-12 画像投影装置及び集光システム
KR1020027012403A KR100858571B1 (ko) 2000-03-22 2001-03-12 포물면 반사경을 사용하는 프로젝션 시스템을 위한소광원으로부터 광의 커플링
EP01922336A EP1269242B1 (de) 2000-03-22 2001-03-12 Abbildung von licht einer kleinen lichtquelle eines projektionssystems mit parabolischen reflektoren
AU2001249152A AU2001249152A1 (en) 2000-03-22 2001-03-12 Coupling of light from a small light source for projection systems using parabolic reflectors
MXPA02009125A MXPA02009125A (es) 2000-03-22 2001-03-12 Acoplamiento de luz proveniente de una pequena fuente luminosa, para sistemas de proyeccion que usan reflectores parabolicos.
BR0109340-1A BR0109340A (pt) 2000-03-22 2001-03-12 Acoplamento de luz de uma fonte de luz pequena para sistemas de projeção usando refletores parabólicos
DE60123768T DE60123768T2 (de) 2000-03-22 2001-03-12 Abbildung von licht einer kleinen lichtquelle eines projektionssystems mit parabolischen reflektoren
CA002403848A CA2403848C (en) 2000-03-22 2001-03-12 Coupling of light from a small light source for projection systems using parabolic reflectors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/532,950 2000-03-22
US09/532,950 US6227682B1 (en) 2000-03-22 2000-03-22 Coupling of light from a small light source for projection systems using parabolic reflectors

Publications (2)

Publication Number Publication Date
WO2001071405A2 true WO2001071405A2 (en) 2001-09-27
WO2001071405A3 WO2001071405A3 (en) 2002-03-14

Family

ID=24123874

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/007796 WO2001071405A2 (en) 2000-03-22 2001-03-12 Coupling of light from a small light source for projection systems using parabolic reflectors

Country Status (13)

Country Link
US (2) US6227682B1 (de)
EP (2) EP1584963A3 (de)
JP (1) JP4808893B2 (de)
KR (1) KR100858571B1 (de)
CN (2) CN101493572B (de)
AT (1) ATE342520T1 (de)
AU (1) AU2001249152A1 (de)
BR (1) BR0109340A (de)
CA (1) CA2403848C (de)
DE (1) DE60123768T2 (de)
MX (1) MXPA02009125A (de)
TW (1) TW569033B (de)
WO (1) WO2001071405A2 (de)

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US7367677B2 (en) 2002-04-06 2008-05-06 Samsung Electronics Co., Ltd. High efficiency lighting system, scrolling unit and projection system employing the same
JP2010272543A (ja) * 2002-06-21 2010-12-02 Wavien Inc マルチランプ照明システム

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US6672740B1 (en) * 1999-07-01 2004-01-06 Cogent Light Technologies, Inc. Condensing and collecting optical system using parabolic reflectors or a corresponding ellipsoid/hyperboloid pair of reflectors
US6379026B1 (en) * 2000-04-10 2002-04-30 John T. Petrick Obstruction lighting system
US6419365B1 (en) * 2000-04-21 2002-07-16 Infocus Corporation Asymmetrical tunnel for spatially integrating light
DE20020148U1 (de) * 2000-09-18 2001-03-22 Advanced Photonics Tech Ag Strahlungsquelle und Bestrahlungsanordnung
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US6856727B2 (en) * 2001-03-02 2005-02-15 Wavien, Inc. Coupling of light from a non-circular light source
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Publication number Priority date Publication date Assignee Title
US7367677B2 (en) 2002-04-06 2008-05-06 Samsung Electronics Co., Ltd. High efficiency lighting system, scrolling unit and projection system employing the same
JP2010272543A (ja) * 2002-06-21 2010-12-02 Wavien Inc マルチランプ照明システム

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DE60123768D1 (de) 2006-11-23
CA2403848C (en) 2009-06-02
US20010026450A1 (en) 2001-10-04
JP2003528348A (ja) 2003-09-24
CA2403848A1 (en) 2001-09-27
TW569033B (en) 2004-01-01
EP1584963A2 (de) 2005-10-12
CN101493572A (zh) 2009-07-29
MXPA02009125A (es) 2004-08-12
AU2001249152A1 (en) 2001-10-03
EP1584963A3 (de) 2005-12-07
KR100858571B1 (ko) 2008-09-17
CN1418323A (zh) 2003-05-14
KR20030028458A (ko) 2003-04-08
ATE342520T1 (de) 2006-11-15
JP4808893B2 (ja) 2011-11-02
BR0109340A (pt) 2003-06-03
EP1269242B1 (de) 2006-10-11
DE60123768T2 (de) 2007-08-23
CN101493572B (zh) 2012-05-23
US6227682B1 (en) 2001-05-08
WO2001071405A3 (en) 2002-03-14
EP1269242A2 (de) 2003-01-02

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